code: def ivecs_read(fname):
      a = np.fromfile(fname, dtype="int32")
      d = a[0]
      return a.reshape(-1, d + 1)[:, 1:].copy()
  
file_path: faiss/benchs/distributed_ondisk/distributed_query_demo.py
imports: import os
  import faiss
  import numpy
  import time
  import rpc
  import sys
  import combined_index
  import search_server
label_desc: Use image node_id 1 for calling a global function with example usage: ivecs_read(fname) and returns: a